In one instance, says the report, "Glover said a senior security official made sexual advances toward a female colleague, then demeaned her publicly when she rejected his advances. In another, a different security official proposed using sexually inappropriate material as part of a presentation to N.B.A. players."

The suit says that Glover at least once expressed his alarm — both about the treatment of women and his fear of retaliation — to Joel Litvin, the N.B.A.’s president for league operations.

In addition to the N.B.A., Glover is suing Bernard Tolbert, the league’s former senior vice president for security; James Cawley, who succeeded Tolbert last year; and Gregory Robinson, the senior director of security, who was Glover’s immediate supervisor.

“Mr. Glover’s allegations are without merit, and we will vigorously defend against them,” Mike Bass, a league spokesman, said in the report.